package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.sql.Wrapper;
import java.util.HashMap;
import java.util.Map;

/**
 * @Author: sfy
 * @Date: 2024/3/27 19:45
 * @Description:
 */
@Service
@Transactional
@Slf4j
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    /**
     * 登录功能
     * @param dto
     * @return
     */
    @Override
    public ResponseResult login(LoginDto dto) {
        if (!(StringUtils.isBlank(dto.getPhone())&&StringUtils.isBlank(dto.getPassword()))){
            //1.获取账户
            ApUser apUser = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone, dto.getPhone()));
            if (apUser==null){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
            }
            //2.对比密码
            String salt = apUser.getSalt();//获取加盐
            String password = dto.getPassword();
            password = DigestUtils.md5DigestAsHex((password+salt).getBytes());
            if (!password.equals(apUser.getPassword())) {
                //说明与数据库中查询的数据不一致
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            //3.获取token,封装成一个Map
            Map<String,Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(apUser.getId().longValue()));
            apUser.setSalt("");
            apUser.setPassword("");
            map.put("user", apUser);
            return ResponseResult.okResult(map);
        }else{
            //说明是游客登录状态
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(0l));
            return ResponseResult.okResult(map);
        }
    }
}
